42431916238 has 8 divisors (see below), whose sum is σ = 63648874080. Its totient is φ = 21215624880.

The previous prime is 42431916227. The next prime is 42431916253. The reversal of 42431916238 is 83261913424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42431916194 and 42431916203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47658 + ... + 295186.

It is an arithmetic number, because the mean of its divisors is an integer number (7956109260).

Almost surely, 2^42431916238 is an apocalyptic number.

42431916238 is a deficient number, since it is larger than the sum of its proper divisors (21216957842).

42431916238 is a wasteful number, since it uses less digits than its factorization.

42431916238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333242.

The product of its digits is 248832, while the sum is 43.

The spelling of 42431916238 in words is "forty-two billion, four hundred thirty-one million, nine hundred sixteen thousand, two hundred thirty-eight".